tests: filter out external projects

GitLab: #3
Change-Id: I94bea5fd9cec166d92ad8323d2888355ae106cc7

Dockerfile

@@ -36,6 +36,6 @@ RUN cd build_dev \
 
 # Generate HTML report
 RUN cd build_dev/CMakeFiles/dhtnet.dir \
-    && lcov --capture --directory . --output-file coverage.info \
-    && mkdir /result \
-    && genhtml coverage.info --output-directory /result
+    && lcov --capture --no-external --directory /dhtnet --output-file coverage.info \
+    && mkdir /coverage \
+    && genhtml coverage.info --output-directory /coverage
\ No newline at end of file

extras/ci/tests/Jenkinsfile

@@ -46,7 +46,7 @@ pipeline {
                 id=\$(docker create dhtnet:${env.BUILD_ID})
                 docker cp \$id:/result.summary result.summary
                 cat result.summary
-                docker cp \$id:/result coverage
+                docker cp \$id:/coverage coverage
                 docker rm -v \$id
                 """
             }